S000000777 [Member] Expense Example, No Redemption - Putnam Small Cap Growth Fund - Class C shares |
Jun. 30, 2026
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 189 |
| Expense Example, No Redemption, 3 Years | 585 |
| Expense Example, No Redemption, 5 Years | 1,006 |
| Expense Example, No Redemption, 10 Years | $ 1,985 |